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A video posted on YouTube yesterday showed how an image of Saturn's moons Dione and Titan, taken by NASA's Cassini orbiter, had been Photoshopped before being added to a Picture of the Day website.
In the video, "DominatorPS3" turned up the brightness levels on the photo to show that a "huge" object can be seen behind the smaller moon, Dione.
Clearly visible are brush strokes that show how the rainbow aura of the object has been blacked out.
"Cassini takes colour pictures by snapping three sequential photos through red, green, and blue filters," she said.
"In the time that separated the three frames, Dione moved, so if I did a simple color composite I would be able to make Titan look right, but not Dione; or Dione look right, but not Titan.
"So I aligned Dione, cut it out, and then aligned Titan, and then had to account for the missing bits of shadow where the bits of Dione had been in two of the three channels."
The surface of Saturn's moon Dione is rendered in crisp detail against a hazy, ghostly Titan. Visible in this image are hints of atmospheric banding around Titan's north pole.
The image was taken in visible blue light with the Cassini spacecraft narrow-angle camera on April 10, 2010. The view was acquired at a distance of approximately 1.8 million kilometers (1.1 million miles) from Dione and 2.7 million kilometers (1.7 million miles) from Titan. Scale in the original image was 11 kilometers (7 miles) per pixel on Dione and 16 kilometers (10 miles) on Titan. The image has been magnified by a factor of 1.5 and contrast-enhanced to aid visibility.
Image Credit: NASA/JPL/Space Science Institute
jtpfreak (4 hours ago)
Where is your new UFO video with the brightness turned up on Saturn's moons Dione and Titan?
Was it removed?
Originally posted by Iamonlyhuman
Apparently, the NASA artist tried to explain it this way but the question I have now is, are all of NASA's images photoshopped? If so, as it would seem from the explanation, then how can anyone trust the images?
Originally posted by CitizenNum287119327
So all they have to do is post the 3 composite pictures as simple proof to all.
Originally posted by simonp
ok i may need correcting here.. but in space there have to be light sources so in these photos where are all the stars????
Originally posted by CitizenNum287119327
So all they have to do is post the 3 composite pictures as simple proof to all.
Originally posted by ngchunter
Normally such composites when released by NASA do not require such photoshopping, but when you have two objects moving relative to each other between color filtered images, heavy editing is required to produce a color photo. Some of the PR photos released from Cassini may have this kind of editing done if they show moons that actually moved noticeably between images, but the way NASA does it is probably much more professional.